CN106787285A - Stator contiguous block, stator core, stator module and block stator and preparation method - Google Patents
Stator contiguous block, stator core, stator module and block stator and preparation method Download PDFInfo
- Publication number
- CN106787285A CN106787285A CN201710153963.9A CN201710153963A CN106787285A CN 106787285 A CN106787285 A CN 106787285A CN 201710153963 A CN201710153963 A CN 201710153963A CN 106787285 A CN106787285 A CN 106787285A
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- Prior art keywords
- stator
- groove
- contiguous block
- draw
- pole shoe
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
- H02K1/148—Sectional cores
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/022—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies with salient poles or claw-shaped poles
Abstract
The present invention relates to motor stator technical field, a kind of stator contiguous block, stator core, stator module and block stator and preparation method are disclosed.Stator contiguous block includes body, multiple arcwall faces in same circumferential direction arrangement are formed with the outer peripheral face of body, body is respectively arranged with snap fit at the two ends of each arcwall face, the draw-in groove of the pole shoe for accommodating located stator core is formed between each snap fit and arcwall face, along same circumferential direction, the radial dimension of the radial dimension more than end draw-in groove of the top draw-in groove of each arcwall face.So, in assembling stator iron core, first pole shoe portion of stator core can only coordinate with top draw-in groove, second pole shoe portion can only coordinate with end draw-in groove, so that stator core can only be inserted perpendicularly into assembling along a direction, and reversely cannot plugging in fitting, to ensure that two pole shoe portions of whole stator cores all arrange that this is easy to operating personnel correctly can assemble to express delivery and improves efficiency of assembling according to equidirectional.
Description
Technical field
The present invention relates to motor stator technical field, more particularly to a kind of stator contiguous block, a kind of stator core is a kind of
Stator module, a kind of block stator and a kind of block stator preparation method.
Background technology
At present it is known that, piecemeal motor is mainly the low problem of interior winding efficiency of solution determinant.Therefore, current family
Traditional Distributed Winding motor has gradually been switched to electric class small machine the piecemeal motor of concentratred winding, by it is interior around switch to it is outer around,
Improved efficiency nearly 3 times.Piecemeal motor exactly resolves into piecemeal one by one by interior around stator, makes single outer around fixed
Son, improves winding efficiency, and single block stator constitutes whole field frame assembly.
It is piecemeal winding around winding mode that current piecemeal motor is outer, and being fixed on stator with frock carries out enamel-cover on coil winding machine
The coiling of line, but, main shaft can only be around one piece of stator one at a time.For example, in a kind of existing structure, piecemeal motor is determined
The pole shoe of sub- iron core is bilateral symmetry, does not differentiate between direction, wire frame is assembled on stator core and forms stator tooth.Stator is consolidated
Determine block and be provided with location hole and locking screw nail, and the front end face of stator fixed block to offer holding tank, in holding tank phase
To both sides be formed with symmetrical latch groove, meanwhile, the bottom of holding tank is provided with the stop part for preventing stator tooth from dropping.Coiling
When, stator fixed block is positioned on coil winding machine by location hole and locking screw nail, and the stator tooth that will be assembled pole shoe
It is inserted into latch groove and carries out coiling after having good positioning, coil winding machine crossbeam drives stator fixed block to overturn 180 ° after complete line, will
Stator slides, and then the stator tooth that each coiling is completed is stitched together with other frocks carries out integral solder.
But, there is certain deficiency in such mode of production, for example, a) because automated production needs latch groove and pole
Gap between boots is larger, will cause that stator is more loose, meanwhile, frock does not hold out against stator, stator more loose meeting in coiling additionally
There is small displacement, it is difficult to the shape of strict guarantee stator line bag；B) latch groove of stator fixed block or so uses symmetrical structure,
The both forward and reverse directions of stator pole shoes cannot be easily distinguished, this cannot also ensure all stator tooth air gap gradual change directions and motor rotation
Direction is consistent；C) extra frock is needed to fix and then welded after the completion of stator winding, this will increase extra production cost.
The content of the invention
The invention aims to the both forward and reverse directions that cannot easily distinguish stator pole shoes for overcoming prior art to exist
Technical problem, there is provided a kind of stator contiguous block, the stator contiguous block enables to operating personnel easily to distinguish stator pole shoes
Both forward and reverse directions, so as to effectively improve the efficiency of assembling of block stator.
To achieve these goals, one aspect of the present invention provides a kind of stator contiguous block, and the stator contiguous block includes body,
Multiple arcwall faces in same circumferential direction arrangement are formed with the outer peripheral face of the body, the body is in each arcwall face
Two ends be respectively arranged with snap fit, the pole for accommodating located stator core is formed between each described snap fit and the arcwall face
The draw-in groove of boots, along same circumferential direction, the footpath of the radial dimension more than end draw-in groove of the top draw-in groove of each arcwall face
To size.
By above-mentioned technical proposal, due to along same circumferential direction such as circumferencial direction, the multiple arcs face on body
In, the radial dimension of the top draw-in groove of each arcwall face more than end draw-in groove radial dimension, for example, along clockwise, first
The radial dimension of the top draw-in groove of arcwall face is more than the radial dimension of end draw-in groove, the radial ruler of the top draw-in groove of the second arcwall face
The very little radial dimension more than end draw-in groove, the like, so, in assembling stator iron core, the first pole shoe portion of stator core
Can only coordinate with top draw-in groove, the second pole shoe portion can only coordinate with end draw-in groove so that stator core can only be along a direction
Be inserted perpendicularly into assembling, and reversely cannot plugging in fitting, to ensure two pole shoe portions of whole stator cores all according to phase
Equidirectional arrangement, this is easy to operating personnel correctly can assemble to express delivery and improves efficiency of assembling.
Further, the radial dimension of all of top draw-in groove is identical；The radial ruler of all of end draw-in groove
It is very little identical.
Further, whole arcwall faces along same circumferencial direction with the gradual change simultaneously of identical curvature, it is all of
The shape of the snap fit is identical.
Further, circumferentially direction is arranged at intervals with multiple blocks to the body, in circumferential direction, described in each
The both sides of block circumferentially extend the arcwall face is formed between the snap fit, and the block being formed respectively in reverse.
Further, circumferentially to alternately form multiple circumferential widths on the inner peripheral surface of the centre bore of the body different
Axially position groove.
Further, the quantity of axially position groove is two.
Further, along the body centre bore axial direction, each described arcwall face be axially spaced set
There are two radial holes that the centre bore is extended to from the arcwall face, be provided with each described radial hole and dial pearl screw, often
The individual group pearl for dialling pearl screw can stretch out the arcwall face.
Further, the axial hole communicated with the close radial hole is respectively formed with the body two sides,
Lock-screw is provided with each described axial hole, when described group of pearl screw is adjusted to required position, the lock-screw pair
Described group of pearl screw lock.
In addition, the present invention provides a kind of stator core, the stator core include for any of the above-described described stator
The inner arcuate surface that the arcwall face of contiguous block coordinates, the two ends of the inner arcuate surface form pole shoe portion respectively, wherein, use
In the footpath of the radial thickness more than the second pole shoe portion for coordinating with end draw-in groove in the first pole shoe portion coordinated with top draw-in groove
To thickness.
So, as described above, in assembling stator iron core, the first pole shoe portion of stator core can only match somebody with somebody with top draw-in groove
Close, the second pole shoe portion can only coordinate with end draw-in groove so that stator core can only be inserted perpendicularly into assembling along a direction, and anti-
To cannot plugging in fitting, to ensure that two pole shoe portions of whole stator cores all arrange that this is easy to according to equidirectional
Operating personnel correctly can assemble to express delivery and improve efficiency of assembling.
Further, the inner arcuate surface with the arcwall face identical curvature gradual change.
Additionally, the present invention provides a kind of stator module, the stator module includes any of the above-described described stator contiguous block
With any of the above-described described stator core, wherein, the inner arcuate surface of the stator core is towards the stator contiguous block
The arcwall face, and the first pole shoe portion coordinates and is positioned in the top draw-in groove, and the second pole shoe portion coordinates fixed
Position is in the end draw-in groove.
So, as described above, because the first pole shoe portion of stator core can only coordinate with top draw-in groove, the second pole shoe portion
Can only coordinate with end draw-in groove so that stator core can only be inserted perpendicularly into assembling along a direction, and be reversely to insert
Assembling, to ensure that two pole shoe portions of whole stator cores all arrange according to equidirectional, this is easy to the operating personnel can
Assemble and improve efficiency of assembling to correct express delivery.
Additionally, the present invention also provides a kind of block stator, the block stator includes stator module described above, wire frame
And stator yoke, wherein, the wire frame is arranged on the stator core and is wound with winding, and the stator yoke is overlapped and fixed
Between the adjacent stator core.
As described above, because the first pole shoe portion of stator core can only coordinate with top draw-in groove, the second pole shoe portion can only
Coordinate with end draw-in groove so that stator core can only be inserted perpendicularly into assembling along a direction, and be reversely cannot plugging in fitting
, all arrange that this is easy to operating personnel correct according to equidirectional with two pole shoe portions for ensureing whole stator cores
Efficiency of assembling is assembled to express delivery and improves, while improving the overall quality of block stator.
Finally, the present invention provides a kind of block stator preparation method, and the block stator preparation method includes：By in multiple
Any described stator core is stated to be assembled on any of the above-described described stator contiguous block with equidirectional, wherein, described first
The cooperation of pole shoe portion is positioned in the top draw-in groove, and the second pole shoe portion cooperation is positioned in the end draw-in groove.
So, as described above, because the first pole shoe portion of stator core can only coordinate with top draw-in groove, the second pole shoe portion
Can only coordinate with end draw-in groove so that stator core can only be inserted perpendicularly into assembling along a direction, and be reversely to insert
Assembling, to ensure that two pole shoe portions of whole stator cores all arrange according to equidirectional, this is easy to the operating personnel can
Assemble and improve efficiency of assembling to correct express delivery.
Further, after coil winding machine starts coiling and forms winding, by stator contiguous block and the stator iron for being formed with winding
Core is together pulled down from coil winding machine, and then stator contiguous block is fixedly connected on bonding machine, and the welding of multiple stator yokes is solid
It is scheduled between adjacent stator core, then, is spread from bonding machine and dismantle very much lower and stator contiguous block is taken out from stator core.
Further, the multiple circumferential widths circumferentially alternately formed on the inner peripheral surface that stator contiguous block passes through its centre bore
Different axially position grooves are fixedly connected in the connecting shaft of coil winding machine.
Further, first stator contiguous block is fixedly attached on coil winding machine, then will be provided with multiple institutes of wire frame
Stator core is stated to insert and navigate in the draw-in groove of stator contiguous block with equidirectional.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the stator contiguous block that the present invention is provided；
Fig. 2 is the overlooking the structure diagram of the stator contiguous block of Fig. 1；
Fig. 3 is the structural representation of the stator core that the present invention is provided；
Fig. 4 is the dimensional structure diagram of the stator module that the present invention is provided, wherein, show wire frame；
Fig. 5 is the overlooking the structure diagram of the stator module of Fig. 4；
Fig. 6 is the enlarged diagram of encircled portion in Fig. 5；
Fig. 7 is the overlooking the structure diagram of the block stator that the present invention is provided, wherein, in malcompression state；
Fig. 8 is the overlooking the structure diagram of the block stator that the present invention is provided, wherein, in impaction state.
Description of reference numerals
1- bodies, 2- arcwall faces, 3- snap fits, 4- tops draw-in groove, 5- ends draw-in groove, 6- blocks, 7- centre bores, 8- is axially fixed
Position groove, 9- radial holes, 10- dials pearl screw, and 11- dials pearl, 12- axial holes, 13- lock-screws, 14- stator contiguous blocks, 15- inner arcs
Shape surface, the first pole shoes of 16- portion, the second pole shoes of 17- portion, 18- stator cores, 19- stator modules, 20- wire frames, 21- stators
Yoke.
Specific embodiment
Specific embodiment of the invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
Structure with reference to shown in Fig. 1, Fig. 2 and Fig. 6, the stator contiguous block 14 that the present invention is provided includes body 1, body 1
Multiple arcwall faces 2 for example arranged in a circumferential direction in same circumferential direction are formed with outer peripheral face, body 1 is in each arcwall face
2 two ends are respectively arranged with snap fit 3, and pole shoe for accommodating located stator core is formed between each snap fit 3 and arcwall face 2
Draw-in groove, wherein, along clockwise direction of the same circumferential direction for example shown in Fig. 2, the footpath of the top draw-in groove 4 of each arcwall face 2
Radial dimension to size more than end draw-in groove 5.
In the technical scheme, due to along same circumferential direction such as circumferencial direction, the multiple arcs face 2 on body 1
In, the radial dimension of the radial dimension more than end draw-in groove 5 of the top draw-in groove 4 of each arcwall face 2, for example, it is as shown in Figure 2,
Along clockwise, the radial dimension of the radial dimension more than end draw-in groove 5 of the top draw-in groove 4 of the first arcwall face, the second arcwall face
Top draw-in groove 4 radial dimension more than end draw-in groove 5 radial dimension, the like, so, in assembling stator iron core 18
When, the first pole shoe portion 16 of stator core 18 can only coordinate with top draw-in groove 4, and the second pole shoe portion 17 can only match somebody with somebody with end draw-in groove 5
Close, it is as shown in Figure 6 so that stator core 18 can only be inserted perpendicularly into assembling along a direction, and be reversely that cannot insert dress
Match somebody with somebody, to ensure that two pole shoe portions of whole stator cores 18 all arrange according to equidirectional, this is easy to the operating personnel can
Assemble and improve efficiency of assembling to correct express delivery.
It should be appreciated that in stator contiguous block of the invention, the shape of body 1 can be the shape needed for any formation stator
Shape, for example, can be polygon, as long as it is formed with multiple arcs face 2 in same circumferential direction.In a kind of preferred embodiment
In, as illustrated in fig. 1 and 2, the outer peripheral face of body 1 can be circle, so, along same circumferencial direction, the excircle of body 1
Multiple arcwall faces 2 arranged on same circumferencial direction, four arcwall faces 2 as shown in figs. 1 and 2 are formed with face.
In addition, in stator contiguous block of the invention, the radial dimension of the top draw-in groove 4 of each arcwall face 2 each other may be used
With difference, for example, the radial dimension of a part of top draw-in groove 4 can be relative to the radial dimension of another part top draw-in groove 4
It is larger or smaller.Similarly, it is also such for end draw-in groove 5.Or, in one embodiment, for the ease of manufacture, and carry
Rise efficiency of assembling, it is preferable that as shown in Figure 2, the radial dimension of all of top draw-in groove 4 is identical；All of end draw-in groove 5
Radial dimension is identical.So, it is equivalent to an arcwall face 2 with top draw-in groove 4 and end draw-in groove 5 is clockwise or inverse
Hour hands ground is replicated, to be formed around the multiple arcs face 2 of body 1.
In addition, for the ease of forming the stator contiguous block and being easy to assemble each stator core, it is preferable that whole arcs
Along same circumferencial direction with the gradual change simultaneously of identical curvature, the shape of all of snap fit 3 is identical, such as the dotted line institute in Fig. 7 in face 2
Show, in one end of arcwall face 2, dotted line can contact arcwall face 2, now, dotted line is rotated clockwise into the another of arcwall face 2
End, then dotted line can not contact arcwall face 2, it is, in the case of identical snap fit 3, arcwall face 2 is since one end towards another
One end extends radially outwardly, and so, will form the larger top draw-in groove 4 of radial dimension in one end of arcwall face 2, and in arcwall face
2 other end forms the less end draw-in groove 5 of radial dimension.So, an end draw-in groove 5 for arcwall face 2 is by with adjacent one
The top draw-in groove 4 of individual arcwall face 2 is close to.
In addition, for compact conformation, and can make full use of the outer peripheral face of body 1 that stator core is set, it is preferable that such as
Shown in Fig. 1 and 2, circumferentially direction is arranged at intervals with multiple blocks 6 to body 1, such as four blocks 6 shown in figure,
In circumferential direction, the both sides of each block 6 circumferentially extend to form snap fit 3 respectively in reverse, it is, in circumferential direction, often
The side of individual block 6 is top draw-in groove 4, and opposite side is end draw-in groove 5, so, arcwall face 2 will be formed between each block 6.Such as
Shown in Figure 4 and 5, multiple stator cores are by along the outer peripheral face of body 1 successively interval setting, and the pole of adjacent stator core
Only across a circumferential thickness for block 6 between boots portion, certainly, the circumferential thickness is not too thick, so, can be made full use of
The outer peripheral face of body 1 arranges multiple stator cores, improves the utilization rate of the outer peripheral face of body 1.
In addition, stator contiguous block of the invention also has a projecting point, the structure with reference to shown in Fig. 1 and 2, in body 1
The different axially position groove 8 of multiple circumferential widths is circumferentially alternately formed on the inner peripheral surface in heart hole 7.So, stator is connected
Block 14 is assembled to when carrying out coiling on coil winding machine, and stator contiguous block can only be arranged on the axle of coil winding machine in one direction, so,
Can ensure that the direction of rotation of the stator air gap of the stator of completion coiling is consistent with the direction of rotation of rotor.
Further, as illustrated in fig. 1 and 2, two axially position grooves 8 are formed with the centre bore 7 of body 1, so,
By two axially position grooves 8, while ensureing that stator contiguous block can only be arranged on the axle of coil winding machine in one direction, go back
It is easy to the manufacture of stator contiguous block, reduces cost.
In addition, after stator core and the assembling of stator contiguous block, in order to lift the reliability of stator core positioning, in order to
Coiling forms winding, it is preferable that structure as illustrated in fig. 1 and 2, along the axial direction of the centre bore 7 of body 1, each arc
Face 2 is axially spaced to be provided with two radial holes 9 for extending to centre bore 7 from arcwall face 2, wherein, set in each radial hole 9
Have and dial pearl screw 10, each group pearl 11 for dialling pearl screw 10 can stretch out arcwall face 2, wherein, dialling pearl screw 10 includes an outer spiral shell
The stud of line, the stud is formed with hollow axial space, dials pearl 11 and is arranged in the axial space by spring, in normal shape
Under state, dial pearl 11 and abut under the action of the spring and be limited to the exit of axial space, when the external force that group pearl 11 is subject to is more than
During the elastic force of spring, pearl 11 is dialled into extruding and is bounced back.So, can be before stator core assembling, according to the reality of stator core
Border structure, is adjusted with inner hexagon spanner and dials pearl screw 10 so that is dialled pearl 11 and is exposed arcwall face 2, stator core can be along body 1
Axial direction be relatively freely insertable into the draw-in groove at the two ends of arcwall face 2, meanwhile, dialling pearl 11 under the action of the spring can be by
Stator core is pushed against on snap fit 3.
Further, as illustrated in fig. 1 and 2, it is respectively formed with what is communicated with close radial hole 9 on the two sides of body 1
Lock-screw 13 is provided with axial hole 12, each axial hole 12, when group pearl screw 10 is adjusted to required position, lock-screw
Locked to dialling pearl screw 10, for example, after be pushed against stator core on snap fit 3 under the action of the spring by group pearl 11, in order to be lifted
The reliability of positioning, it is to avoid dial pearl screw 10 and loosened due to some factors, can be pressed on by the front end of lock-screw 13
Dial on pearl screw 10 and locked by pearl screw 10 is dialled.
It is as shown in Figure 3 in addition, the present invention provides a kind of stator core, the stator core 18 include for it is above-mentioned
The inner arcuate surface 15 that the arcwall face 2 of any described stator contiguous block 14 coordinates, the two ends of inner arcuate surface 15 are formed respectively
Pole shoe portion, wherein, the radial thickness in the first pole shoe portion 16 for coordinating with top draw-in groove 4 is more than for matching somebody with somebody with end draw-in groove 5
The radial thickness in the second pole shoe portion 17 closed.So, in assembling stator iron core 18,16, the first pole shoe portion of stator core 18
Can coordinate with top draw-in groove 4, the second pole shoe portion 17 can only coordinate with end draw-in groove 5, as shown in Figure 6 so that stator core 18
Assembling can only be inserted perpendicularly into along a direction, and reversely cannot plugging in fitting, to ensure whole stator cores 18
Two pole shoe portions all arrange that this is easy to operating personnel correctly can assemble to express delivery and improves assembling effect according to equidirectional
Rate.
Further, reliable and stable cooperation is formed for the ease of stator core 18 and arcwall face 2, it is preferable that arc
Surface 15 with the identical curvature gradual change of arcwall face 2.This point by Fig. 7 and 8 just it can be clearly seen that, in the figure 7, due to place
There is gap between malcompression state, inner arcuate surface 15 and arcwall face 2, and in fig. 8, during in impaction state, arc
Surface 15 is contacted with forming good circumference and arcwall face 2 between.
In addition, the present invention provides a kind of stator module, as shown in Fig. 4,5 and 6, the stator module includes any of the above-described institute
The stator contiguous block 14 and any of the above-described described stator core 18 stated, wherein, the wire frame of block stator is shown in Fig. 4-6
20.The inner arcuate surface 15 of stator core 18 towards stator contiguous block 14 arcwall face 2, and the first pole shoe portion 16 coordinate positioning
In top draw-in groove 4, the cooperation of the second pole shoe portion 17 is positioned in end draw-in groove 5.So, as described above, due to stator core
18 the first pole shoe portion 16 can only coordinate with top draw-in groove 4, and the second pole shoe portion 17 can only coordinate with end draw-in groove 5 so that stator
Iron core 18 can only be inserted perpendicularly into assembling along a direction, and reversely cannot plugging in fitting, to ensure whole stator iron
Two pole shoe portions of core 18 all arrange that this is easy to operating personnel correctly can assemble to express delivery and improves dress according to equidirectional
With efficiency.
Additionally, the present invention provides a kind of block stator, structure as shown in FIG. 7 and 8, the block stator includes described above
Stator module 19, wire frame 20 and stator yoke 21, wherein, wire frame 20 is arranged on stator core 18 and is wound with winding,
Stator yoke 21 is overlapped and fixation is for example welded between adjacent stator core 18.
As described above, because the first pole shoe portion 16 of stator core can only coordinate with top draw-in groove 4, the second pole shoe portion 17
Can only coordinate with end draw-in groove 5 so that stator core can only be inserted perpendicularly into assembling along a direction, and be reversely to insert
Assembling, to ensure that two pole shoe portions of whole stator cores all arrange according to equidirectional, this is easy to the operating personnel can
Assemble and improve efficiency of assembling to correct express delivery, while improving the overall quality of block stator.
Finally, the present invention also provides a kind of block stator preparation method, wherein, the block stator preparation method includes：Will
Multiple any of the above-described described stator cores are assembled on any of the above-described described stator contiguous block with equidirectional, wherein, the
The cooperation of one pole shoe portion is positioned in top draw-in groove, and the cooperation of the second pole shoe portion is positioned in the draw-in groove of end.
So, as described above, because the first pole shoe portion of stator core can only coordinate with top draw-in groove, the second pole shoe portion
Can only coordinate with end draw-in groove so that stator core can only be inserted perpendicularly into assembling along a direction, and be reversely to insert
Assembling, to ensure that two pole shoe portions of whole stator cores all arrange according to equidirectional, this is easy to the operating personnel can
Assemble and improve efficiency of assembling to correct express delivery.
Further, after coil winding machine starts coiling and forms winding, by stator contiguous block and the stator iron for being formed with winding
Core is together pulled down from coil winding machine, and then stator contiguous block is fixedly connected on bonding machine, and the welding of multiple stator yokes is solid
It is scheduled between adjacent stator core.So, the stator contiguous block can either be installed to and stator coil winding is realized on coil winding machine,
Can also fix with positioning tool to be fixed on bonding machine simultaneously, compared with prior art, which reduce extra welding auxiliary
Assistant engineer fills and welding positioning process.Meanwhile, stator contiguous block can also ensure stator core and exist using group pearl screw thereon
Reliably vertically fixed during coiling and prevent from dropping, so as to stator yoke and stator core be welded in both lap-joints.Then,
Stator core after the completion of welding, stator yoke and stator contiguous block are together removed from bonding machine, and by stator contiguous block
Taken out between multiple stator cores, so as to form block stator, the block stator can carry out follow-up treatment process.
Selectively, the multiple circumferential widths circumferentially alternately formed on the inner peripheral surface that stator contiguous block passes through its centre bore
Different axially position grooves are fixedly connected in the connecting shaft of coil winding machine.As described above, so, stator contiguous block is assembled to
When carrying out coiling on coil winding machine, stator contiguous block can only thereby may be ensured that in one direction on the axle of coil winding machine
Direction of rotation into the stator air gap of the stator of coiling is consistent with the direction of rotation of rotor.
In addition, being easily fixed on coil winding machine for the ease of stator contiguous block, and it is easy to insert stator core, Ke Yixian
Stator contiguous block is for example fixedly attached on coil winding machine by two axially position grooves thereon, wire frame then will be provided with
Multiple stator cores insert and navigate in the draw-in groove of stator contiguous block with equidirectional.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, but, the present invention is not limited thereto.At this
In the range of the technology design of invention, various simple variants can be carried out to technical scheme.Including each particular technique
Feature is combined in any suitable manner, and in order to avoid unnecessary repetition, the present invention is to various possible combinations
No longer separately illustrate.But these simple variants and combination should equally be considered as content disclosed in this invention, belong to the present invention
Protection domain.
Claims (16)
1. a kind of stator contiguous block, including body (1), is formed with multiple in same circumferential direction on the outer peripheral face of the body (1)
The arcwall face (2) of arrangement, the body (1) is respectively arranged with snap fit (3) at the two ends of each arcwall face (2), each institute
State the draw-in groove that the pole shoe for accommodating located stator core is formed between snap fit (3) and the arcwall face (2), it is characterised in that
Along same circumferential direction, the footpath of the radial dimension more than end draw-in groove (5) of the top draw-in groove (4) of each arcwall face (2)
To size.
2. stator contiguous block according to claim 1, it is characterised in that the radial ruler of all of top draw-in groove (4)
It is very little identical；
The radial dimension of all of end draw-in groove (5) is identical.
3. stator contiguous block according to claim 1, it is characterised in that whole arcwall faces (2) are along same circle
Circumferential direction is with the gradual change simultaneously of identical curvature, and the shape of all of snap fit (3) is identical.
4. the stator contiguous block according to any one in claim 1-3, it is characterised in that the body (1) is along week
Multiple blocks (6) are arranged at intervals with to direction, in circumferential direction, the both sides of each block (6) are circumferential respectively in reverse
Extension forms the arcwall face (2) to be formed between the snap fit (3), and the block (6).
5. stator contiguous block according to claim 1, it is characterised in that the inner peripheral surface of the centre bore (7) of the body (1)
Upper circumference alternately forms the different axially position groove (8) of multiple circumferential widths.
6. stator contiguous block according to claim 5, it is characterised in that the quantity of the axially position groove (8) is two.
7. stator contiguous block according to claim 1, it is characterised in that along the axle of the centre bore (7) of the body (1)
To direction, each described arcwall face (2) is axially spaced to be provided with two and extends to the centre bore from the arcwall face (2)
(7) it is provided with radial hole (9), each described radial hole (9) and dials pearl screw (10), dialling for pearl screw (10) is dialled described in each
Pearl (11) can stretch out the arcwall face (2).
8. stator contiguous block according to claim 7, it is characterised in that be respectively formed with body (1) two sides
Lock-screw (13) is provided with the axial hole (12) communicated with the close radial hole (9), each described axial hole (12),
When described group of pearl screw (10) is adjusted to required position, the lock-screw is locked to described group of pearl screw (10).
9. a kind of stator core, it is characterised in that include for the stator according to any one in claim 1-8
The inner arcuate surface (15) that the arcwall face (2) of contiguous block (14) coordinates, the two ends difference shape of the inner arcuate surface (15)
Into pole shoe portion, wherein, the radial thickness in the first pole shoe portion (16) for coordinating with top draw-in groove (4) is more than to be used for and end card
The radial thickness in the second pole shoe portion (17) that groove (5) coordinates.
10. stator core according to claim 9, it is characterised in that the inner arcuate surface (15) with the arc
Face (2) identical curvature gradual change.
11. a kind of stator modules, it is characterised in that the stator module is included according to any one in claim 1-8
Stator contiguous block (14) and the stator core (18) according to claim 9 or 10, wherein,
The arcwall face of the inner arcuate surface (15) of the stator core (18) towards the stator contiguous block (14)
(2), and the first pole shoe portion (16) coordinates and is positioned in the top draw-in groove (4), the second pole shoe portion (17) coordinates
It is positioned in the end draw-in groove (5).
12. a kind of block stators, it is characterised in that including stator module according to claim 11 (19), wire frame
(20) and stator yoke (21), wherein,
The wire frame (20) is arranged on the stator core (18) and is wound with winding, and the stator yoke (21) overlaps and solid
It is scheduled between the adjacent stator core (18).
13. a kind of block stator preparation methods, it is characterised in that the block stator preparation method includes：
Stator core by multiple according to claim 9 or 10 is assembled to equidirectional appoints according in claim 1-8
On stator contiguous block described in meaning one, wherein, the first pole shoe portion cooperation is positioned in the top draw-in groove, and described second
The cooperation of pole shoe portion is positioned in the end draw-in groove.
14. block stator preparation methods according to claim 13, it is characterised in that coil winding machine start coiling and formed around
After group, stator contiguous block and the stator core for being formed with winding are together pulled down from coil winding machine, then consolidate stator contiguous block
Surely it is connected on bonding machine, and multiple stator yokes is weldingly fixed between adjacent stator core, then, is torn open from bonding machine
Unload and stator contiguous block is taken out from stator core.
15. block stator preparation methods according to claim 13, it is characterised in that stator contiguous block passes through its centre bore
Inner peripheral surface on the different axially position groove of multiple circumferential widths for circumferentially alternately forming be fixedly connected on the connection of coil winding machine
On axle.
The 16. block stator preparation method according to any one in claim 13-15, it is characterised in that first by stator
Contiguous block is fixedly attached on coil winding machine, then will be provided with the multiple described stator core of wire frame and is inserted simultaneously with equidirectional
Navigate in the draw-in groove of stator contiguous block.
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| CN201710153963.9A CN106787285B (en) | 2017-03-15 | 2017-03-15 | Stator connecting block, stator core, stator assembly, segmented stator and manufacturing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114696484A (en) * | 2020-12-30 | 2022-07-01 | 广东美的白色家电技术创新中心有限公司 | Motor stator and motor |
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| CN106787285B (en) | 2020-03-31 |
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